Was there to help my friend to change rear light a...

Was there to help my friend to change rear light as it was faulty when she tried to install it. As she misplaced her receipt after registering for warranty. The stuff refused to help me send for repair as they think that I may have swapped the item and the long story goes on. I told them warranty is limited already and we do not frequent to London, he just says he can't help. Gosh.... Purposely made a trip down to the outlet he didn't even make a point to check if my friend was a genuine buyer or offer alternatives. Disappointed!! No wonder the shop was empty on a Friday...